* {
    margin: 0;
    padding: 0;
}

.w {
    width: 1200px;
    margin: 0 auto;
}

li {
    list-style: none;
}

a {
    text-decoration: none;
}

body {
    background-color: #f3f5f7;
}

.clearfix:after { /*伪元素是行内元素 正常浏览器清除浮动方法*/
    content: "";
    display: block;
    height: 0;
    clear: both;
    visibility: hidden; /*使得元素不可见*/
}

.clearfix {
    *zoom: 1; /*ie6清除浮动的方式 *号只有IE6-IE7执行，其他浏览器不执行*/
}

.header {
    height: 100px;
    overflow: hidden
}

.logo {
    float: left;
    height: 44px;
    margin-top: 30px;
    width: 200px;
}

.nav {
    float: left;
    height: 44px;
    margin-top: 30px;
}

.nav ul {
    height: 44px;
}

.nav ul li {
    float: left;
    margin: 8px 15px;
}

.nav ul li a {
    font-size: 18px;
    padding: 10px;
    color: #050505;
}

.nav ul li a:hover {
    border-bottom: 2px solid #00a4ff;
}

.search {
    width: 412px;
    height: 40px;
    background-color: #00a4ff;
    float: left;
    margin-top: 30px;
    margin-left: 20px;
    border: 1px solid #00a4ff;
}

.search input {
    width: 345px;
    height: 40px;
    border: none;
    /*border: 1px solid #00a4ff;*/
    /*border-right: none;*/
    padding-left: 15px;
    float: left;
}

.search button {
    float: left;
    width: 50px;
    height: 40px;
    border: none;
    background-image: url("../img/btn.png");
    background-repeat: no-repeat;
}

.user {
    float: left;
    margin-top: 35px;
    height: 30px;
    text-align: center;
    margin-left: 40px;
}

.user img {
    vertical-align: middle
}

.user span {
    font-size: 14px;
    color: #666666;
}

.banner {
    height: 422px;
    background-color: #1c036c;
}

.banner .w {
    background-image: url("../img/banner2.png");
    background-repeat: no-repeat;
    background-position: top center;
    height: 422px;
}

.subnav {
    float: left;
    height: 422px;
    width: 192px;
    background: rgba(0, 0, 0, 0.3);
}

.subnav ul li {
    height: 43px;
    width: 150px;
    margin-left: 21px;
    font-size: 14px;
    margin-top: 4px;
}

.subnav ul li a span {
    float: right;
}

.subnav ul li a {
    display: block;
    line-height: 43px;
    color: #ffffff;
}

.subnav ul li a:hover {
    color: #00b4ff;
}

#course {
    width: 229px;
    height: 320px;
    background-color: #ffffff;
    float: right;
    margin-top: 50px;
}

#course h3 {
    height: 48px;
    background-color: #9bceea;
    line-height: 48px;
    text-align: center;
    font-weight: bold;
    font-size: 18px;
    color: #ffffff;
}

#course ul li {
    margin: 0 20px;
    padding: 14px 0;
    border-bottom: 1px solid #eaeaea;
}

#course ul li h4 {
    font-size: 16px;
    color: #4e4e4e;
    font-weight: 500;
}

#course ul li p {
    font-size: 12px;
    color: #bfbfbf;
}

#course a {
    display: block;
    height: 40px;
    width: 200px;
    border: 2px solid #22b0ff;
    margin-left: 15px;
    margin-top: 10px;
    text-align: center;
    line-height: 40px;
    font-size: 16px;
    color: #00a4ff;
    font-weight: 700;
}

.goods {
    margin-top: 8px;
    height: 62px;
    background-color: #ffffff;
    box-shadow: 11px 4px 16px 2px rgba(0, 0, 0, 0.1);
    line-height: 62px;
}

.goods h3 {
    margin-left: 34px;
    color: #00a4ff;
    float: left;
}

.goods ul {
    float: left;
    margin-left: 35px;
}

.goods ul li {
    float: left;
}

.goods ul li a {
    border-left: 1px solid #bfbfbf;
    padding: 0 37px;
    color: #050505;
}

.goods ul li a:hover {
    color: orange;
    text-shadow: 1px 1px 1px rgba(0, 0, 0, 0.2);
}

.goods div {
    float: right;
    font-size: 14px;
    color: #00a4ff;
    margin-right: 25px;
}

.courseGoods {
    margin-top: 20px;
    height: 600px;
    width: 1225px;
}

.courseGoods #title1 {
    height: 42px;
}

.courseGoods #title1 h3 {
    float: left;
    font-size: 20px;
    color: #494949;
    font-weight: 400;
}

.courseGoods #title1 a {
    font-size: 12px;
    color: #a5a5a5;
    float: right;
    margin-top: 8px;
    margin-right: 20px;
}

.courseGoods #content1 ul li {
    float: left;
    height: 271px;
    width: 228px;
    margin-right: 15px;
    margin-bottom: 14px;
    background-color: #ffffff;
}

#content1 ul li img {
    width: 100%;
}

#content1 ul li h3 {
    height: 45px;
    font-size: 14px;
    color: #050505;
    font-weight: 400;
    margin: 25px 25px 20px;
}

#content1 ul li p {
    font-size: 12px;
    color: #999999;
    margin-left: 25px;
}

#content1 ul li p span {
    color: #ff7c2d;
}

.courseGoods2 {
    height: 438px;
    background-color: #f3f5f7;
    margin-top: 35px;
}

.courseGoods2 .top {
    height: 45px;
}

.courseGoods2 .top h3 {
    float: left;
    font-size: 20px;
    color: #494949;
    font-weight: 400;
}

.courseGoods2 .top ul {
    margin-left: 355px;
}


.courseGoods2 .top ul li a {
    float: left;
    font-size: 16px;
    color: #868686;
    margin-top: 7px;
    padding-right: 70px;
}

.courseGoods2 .top ul li a:hover {
    color: #86c7fc;
}

.courseGoods2 .top > a {
    font-size: 12px;
    color: #a5a5a5;
    float: right;
    margin-top: 8px;
    margin-right: 20px;
}

.courseGoods2 .bottom {
    height: 395px;
}

.courseGoods2 .bottom .pic_left img {
    height: 100%;
}

.courseGoods2 .bottom .pic_left {
    float: left;
}

.courseGoods2 .bottom .pic_right {
    height: 396px;
    width: 957px;
    float: right;
}

.pic_right ul li {
    float: left;
    height: 280px;
    width: 228px;
    margin-right: 15px;
    margin-top: 10px;
    background-color: #ffffff;
}

.pic_right ul li img {
    width: 100%;
}

.pic_right ul li h3 {
    height: 45px;
    font-size: 14px;
    color: #050505;
    font-weight: 400;
    margin: 25px 25px 20px;
}

.pic_right ul li p {
    font-size: 12px;
    color: #999999;
    margin-left: 25px;
}

.pic_right ul li p span {
    color: #ff7c2d;
}

.courseGoods3 {
    height: 315px;
    margin-top: 42px;
}

.courseGoods3 .top {
    height: 45px;
}

.courseGoods3 .top h3 {
    float: left;
    font-size: 20px;
    color: #494949;
    font-weight: 400;
}

.courseGoods3 .top ul {
    margin-left: 355px;
}


.courseGoods3 .top ul li a {
    float: left;
    font-size: 16px;
    color: #868686;
    margin-top: 7px;
    padding-right: 70px;
}

.courseGoods3 .top ul li a:hover {
    color: #86c7fc;
}

.courseGoods3 .top > a {
    font-size: 12px;
    color: #a5a5a5;
    float: right;
    margin-top: 8px;
    margin-right: 20px;
}

.courseGoods3 .bottom2 {
    height: 280px;
}

.bottom2 ul {
    float: left;
}

.bottom2 ul li {
    float: left;
    height: 280px;
    width: 228px;
    margin-right: 15px;
    background-color: #ffffff;
}

.bottom2 ul li img {
    width: 100%;
}

.bottom2 ul li h3 {
    height: 45px;
    font-size: 14px;
    color: #050505;
    font-weight: 400;
    margin: 25px 25px 20px;
}

.bottom2 ul li p {
    font-size: 12px;
    color: #999999;
    margin-left: 25px;
}

.bottom2 ul li p span {
    color: #ff7c2d;
}


.footer {
    margin-top: 30px;
    height: 418px;
}

.footer .footer_2 {
    height: 270px;
}

.footer .footer_2 .left1 {
    margin-top: 30px;
    float: left;
}

.left1 p {
    margin-top: 20px;
    margin-bottom: 15px;
    font-size: 12px;
    color: #666666;
}

.left1 a {
    display: block;
    width: 118px;
    height: 34px;
    border: 1px solid #00a4ff;
    color: #00b4ff;
    font-size: 16px;
    text-align: center;
    line-height: 34px;
}

.right1 dl {
    float: right;
    margin-left: 110px;
}

.right1 {
    float: right;
    margin-top: 35px;
    margin-right: 30px;
}

.right1 dt a {
    color: #333333;
    font-size: 16px;
    margin-bottom: 10px;
}

.right1 dd a {
    font-size: 12px;
    color: #333333;
    line-height: 20px;
}